Condoms were originally made of animal intestines or linen.
347
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The octopus does not have a blind spot.
273
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Nicole Kidman is scared of butterflies.
65